Radiation and gas conduction heat transport across a helium dewar multilayer insulation system

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Description

This report describes a method for calculating mixed heat transfer through the multilayer insulation used to insulate a 4 K liquid helium cryostat. The method described here permits one to estimate the insulation potential for a multilayer insulation system from first principles. The heat transfer regimes included are: radiation, conduction by free molecule gas conduction, and conduction through continuum gas conduction. Heat transfer in the transition region between the two gas conduction regimes is also included.

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10 p.

Creation Information

Green, M.A. October 10, 1994.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 48 times , with 9 in the last month . More information about this report can be viewed below.

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Description

This report describes a method for calculating mixed heat transfer through the multilayer insulation used to insulate a 4 K liquid helium cryostat. The method described here permits one to estimate the insulation potential for a multilayer insulation system from first principles. The heat transfer regimes included are: radiation, conduction by free molecule gas conduction, and conduction through continuum gas conduction. Heat transfer in the transition region between the two gas conduction regimes is also included.

Physical Description

10 p.

Notes

INIS; OSTI as DE95012324

Source

  • Other Information: PBD: 10 Oct 1994

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  • Other: DE95012324
  • Report No.: LBL--36132
  • Grant Number: AC03-76SF00098
  • DOI: 10.2172/74104 | External Link
  • Office of Scientific & Technical Information Report Number: 74104
  • Archival Resource Key: ark:/67531/metadc703928

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • October 10, 1994

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

Description Last Updated

  • April 5, 2016, 12:04 p.m.

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Green, M.A. Radiation and gas conduction heat transport across a helium dewar multilayer insulation system, report, October 10, 1994; California. (digital.library.unt.edu/ark:/67531/metadc703928/: accessed October 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.